You are eligible to take the CNA 1 Examination if you have: 1  Completed an OSBN-approved nursing assistant level-1 training program in the last two years; or. 2  Completed an approved nurse aide training program in another state that was at least 75 hours in length (and met OBRA 1987 standards) within the last two years; or.
Yucca Valley, CA Weather. The average temperature of Yucca Valley is 62.91Â°F, which is higher than the California average temperature of 61.17Â°F and is much higher than the national average temperature of 54.45Â°F. Historical Weather.
Soapweed Yucca. Soapweed yucca (Yucca glauca) thrives in the cold temperatures of USDA plant hardiness zone 3, with winter temperatures dipping as low as minus 35 degrees. Native to dry plains and grasslands, soapweed yucca thrives in full sun and very well-drained soil.